How much does a Stock Broker at Scottrade make in St. Louis, MO? The typical salary for a Scottrade St. Louis Stock Broker ranges from $38,484-$56,718, with an average salary of $49,336. Salary estimates based on 11 salary report(s) submitted anonymously to Glassdoor by Scottrade Stock Broker employees in St. Louis, MO or estimated based upon statistical methods.